@import url("https://fonts.googleapis.com/css2?family=Coiny&family=Titan+One&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Nerko+One&family=Sriracha&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Dancing+Script:wght@700&display=swap");
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
:root {
  --color-pink: #feecea;
  --color-white: #fff;
  --color-black: #333;
  --color-text-pink: #ff7882;
  --color-heart: #ff7882;
  --color-bg-letter: #fff8e4;
  --color-border: #daccbf;
}
html {
  height: 100%;
}
body {
  position: relative;
  font-size: 16px;
  margin: 0;
  padding: 0;
  height: 100%;
  background-image: linear-gradient(var(--color-pink), var(--color-pink));
}
#wrapper {
  position: relative;
  background-color: transparent;
  background-image: linear-gradient(
      0deg,
      transparent 24%,
      rgba(255, 255, 255, 1) 25%,
      rgba(255, 255, 255, 1) 26%,
      transparent 27%,
      transparent 74%,
      rgba(255, 255, 255, 1) 75%,
      rgba(255, 255, 255, 1) 76%,
      transparent 77%,
      transparent
    ),
    linear-gradient(
      90deg,
      transparent 24%,
      rgba(255, 255, 255, 1) 25%,
      rgba(255, 255, 255, 1) 26%,
      transparent 27%,
      transparent 74%,
      rgba(255, 255, 255, 1) 75%,
      rgba(255, 255, 255, 1) 76%,
      transparent 77%,
      transparent
    );
  height: 100%;
  background-size: 80px 80px;
  overflow: hidden;
  z-index: 1;
}
.flag__birthday {
  display: flex;
  justify-content: space-between;
  transform: translateY(-200px);
  animation: translateYFlag 1.5s 2s forwards;
}
@keyframes translateYFlag {
  to {
    transform: translateY(-10px);
  }
}
.flag__birthday .flag__left {
  transform: rotate(-10deg) translate(-20px, 30px);
}
.flag__birthday .flag__right {
  transform: rotate(10deg) translate(20px, 30px) scaleX(-1);
}
.content {
  width: 100%;
  position: relative;
  display: flex;
  padding-top: 3rem;
}
.content .left,
.content .right {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.content .left {
  width: 40%;
}
.content .right {
  width: 60%;
}
.left .btn {
  transform: scale(0);
  animation: scaleCricle 2s 16s forwards ease-in-out;
}
#btn__letter {
  position: relative;
  margin-top: 30px;
  background-color: var(--color-text-pink);
  outline: none;
  padding: 5px 15px;
  font-size: 1rem;
  border-radius: 50px;
  border: 3px solid var(--color-black);
  font-family: "Sriracha", cursive;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transform: scale(1);
  transition: all 0.5s ease-in-out;
}
#btn__letter:active {
  transform: scale(0.7);
}
#btn__letter i {
  margin-left: 5px;
}
#btn__letter:hover {
  border-color: var(--color-heart);
  background-color: var(--color-heart);
  color: #fff;
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}

#btn__letter:hover i {
  animation: rotateHeart 1s infinite linear;
}
@keyframes rotateHeart {
  0%,
  50%,
  100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(12deg);
  }
  75% {
    transform: rotate(-12deg);
  }
}
.title {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  font-family: "Titan One", sans-serif;
  font-size: 3rem;
  flex-direction: column;
  perspective: 1000px;
}
.title .happy,
.title .birthday {
  position: relative;
  text-shadow: 4px 4px var(--color-black), -4px 4px var(--color-black),
    4px -4px var(--color-black), -4px -4px var(--color-black),
    4px 8px 0 var(--color-black);
  font-weight: bold;
  display: flex;
  justify-content: center;
}
.title .happy {
  color: var(--color-white);
}
.title .happy span,
.title .birthday span {
  transform: translateY(50px);
  opacity: 0;
  visibility: hidden;
  animation: txtTranslateY 0.5s var(--t) forwards;
}
@keyframes txtTranslateY {
  100% {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}
.title .birthday {
  color: var(--color-text-pink);
}

.title .hat {
  position: absolute;
  right: 45px;
  top: -350px;
  transform: rotate(-40deg);
  z-index: -1;
  animation: topHat 4s 7s forwards ease;
}
@keyframes topHat {
  20%,
  30% {
    top: -30px;
    transform-origin: left;
    transform: rotate(-40deg);
  }
  35%,
  100% {
    top: -30px;
    transform: rotate(0deg);
  }
}
.date__of__birth,
.name {
  display: flex;
  justify-content: space-around;
  align-items: center;
  background-color: var(--color-text-pink);
  border-radius: 50px;
  margin-top: 20px;
  font-family: "Sriracha", cursive;
}
.date__of__birth {
  border: 3px solid var(--color-black);
  position: relative;
  transform: translateY(-100px);
  z-index: -1;
  opacity: 0;
  visibility: hidden;
  width: 0px;
  animation: dateOfBirth 5s 9s forwards;
}
@keyframes dateOfBirth {
  20%,
  40% {
    width: 0px;
    height: 0;
    transform: translateY(0px);
    opacity: 1;
    visibility: visible;
  }
  45% {
    transform: translateY(0px);
    opacity: 1;
    visibility: visible;
    width: 300px;
    height: 0px;
  }
  50%,
  100% {
    transform: translateY(0px);
    opacity: 1;
    visibility: visible;
    width: 300px;
    height: 50px;
  }
}
.name {
  position: absolute;
  padding: 0px 20px;
  bottom: -20px;
  border: 3px solid var(--color-black);
  font-family: "Dancing Script", cursive;
}
.date__of__birth span,
.name span {
  font-weight: bold;
  margin: 0px 40px;
}
.date__of__birth span {
  font-size: 1.2rem;
}
.name span {
  font-size: 1.7rem;
}
.right .box__account {
  position: relative;
  transform: translateY(700px);
  animation: topBoxImage 8s 7s forwards ease-in;
}
@keyframes topBoxImage {
  to {
    transform: translateY(0);
  }
}
.content .right .image {
  position: relative;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  border: 6px solid var(--color-black);
}
.content .right .image img {
  width: 100%;
  object-fit: cover;
}
.cricle {
  position: absolute;
  top: 20px;
  right: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  transform: scale(0);
  animation: scaleCricle 3s 15s forwards ease-in-out;
}
@keyframes scaleCricle {
  0% {
    transform: scale(0);
  }
  10% {
    transform: scale(1.3);
  }
  20% {
    transform: scale(0.7);
  }
  30%,
  100% {
    transform: scale(1);
  }
}
.text__cricle {
  width: 100px;
  height: 100px;
  background-color: var(--color-text-pink);
  border-radius: 50%;
  border: 5px solid var(--color-black);
  display: flex;
  justify-content: center;
  align-items: center;
  animation: rotateCricle 5s linear infinite;
}
@keyframes rotateCricle {
  to {
    transform: rotate(360deg);
  }
}
.text__cricle span {
  top: 0%;
  left: 50%;
  position: absolute;
  color: var(--color-black);
  transform: rotate(calc(var(--i) * 24deg));
  transform-origin: 0 45px;
  font-family: "Sriracha", cursive;
  text-transform: uppercase;
  font-size: 0.7rem;
}
.fa-heart {
  color: var(--color-heart);
  filter: drop-shadow(0 0 3px var(--color-heart));
  animation: scaleHeart 1s infinite linear;
}
.cricle .fa-heart {
  position: absolute;
  transform: scale(0.85);
}
@keyframes scaleHeart {
  50% {
    transform: scale(1.2);
  }
}
.right .balloon_one {
  position: absolute;
  top: -70px;
  left: -70px;
  animation: balloon1 2s infinite linear;
}
@keyframes balloon1 {
  0%,
  50%,
  100% {
    transform-origin: bottom right;
    transform: rotate(0deg);
  }
  25% {
    transform-origin: bottom right;
    transform: rotate(3deg);
  }
  75% {
    transform-origin: bottom right;
    transform: rotate(-3deg);
  }
}
.right .balloon_two {
  position: absolute;
  top: 170px;
  right: -65px;
  z-index: -1;
  transform: rotate(10deg);
  animation: balloon2 2s infinite linear;
}
@keyframes balloon2 {
  0%,
  50%,
  100% {
    transform-origin: bottom left;
    transform: rotate(10deg);
  }
  25% {
    transform-origin: bottom left;
    transform: rotate(7deg);
  }
  75% {
    transform-origin: bottom left;
    transform: rotate(13deg);
  }
}

.decorate_star {
  position: absolute;
  transform: scale(0);
  background-color: var(--color-black);
  clip-path: polygon(
    0 50%,
    35% 35%,
    50% 0,
    65% 35%,
    100% 50%,
    65% 65%,
    50% 100%,
    35% 65%
  );
  animation: scaleCricle 3s var(--t) forwards,
    scaleStar 2s 16s infinite ease-in-out;
}
.decorate_star.star1 {
  width: 20px;
  height: 20px;
  top: 75px;
  left: 300px;
}
.decorate_star.star2 {
  width: 15px;
  height: 20px;
  top: 35px;
  right: 360px;
}
.decorate_star.star3 {
  width: 14px;
  height: 14px;
  top: 290px;
  left: 630px;
}
.decorate_star.star4 {
  width: 18px;
  height: 18px;
  bottom: 60px;
  left: 35px;
}
.decorate_star.star5 {
  width: 16px;
  height: 18px;
  bottom: 140px;
  left: 500px;
}
@keyframes scaleStar {
  25% {
    transform: scale(0.8);
  }
  50% {
    transform: scale(1.1);
  }
}
.decorate_bottom {
  position: absolute;
  right: 0;
  bottom: -10px;
}
.decorate_flower--one {
  position: absolute;
  top: 250px;
  left: 50px;
  transform: scale(0);
  animation: scaleCricle 3s var(--t) forwards ease-in-out;
}
.decorate_flower--two {
  position: absolute;
  top: 225px;
  left: 540px;
  transform: scale(0);
  animation: scaleCricle 3s var(--t) forwards ease-in-out;
}
.decorate_flower--three {
  position: absolute;
  top: 150px;
  right: 235px;
  transform: scale(0);
  animation: scaleCricle 3s var(--t) forwards ease-in-out;
}
.smiley__icon {
  position: absolute;
  bottom: 180px;
  left: 600px;
  transform: scale(0);
  animation: scaleCricle 3s 15s forwards ease-in-out;
}

.box__letter {
  position: fixed;
  top: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.5);
  width: 100%;
  height: 100%;
  z-index: 10;
  display: none;
}
.box__letter .letter__border {
  position: absolute;
  width: 55vw;
  height: 450px;
  background-color: var(--color-white);
  border-radius: 27px;
  padding: 17px;
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: none;
}
.letter__border .close {
  position: absolute;
  right: -10px;
  top: -10px;
  width: 30px;
  height: 30px;
  background-color: var(--color-white);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
  cursor: pointer;
}
.letter__border .letter {
  width: 100%;
  height: 100%;
  background-color: var(--color-bg-letter);
  border-radius: 10px;
  padding-top: 15px;
}
.letter__border .letter .title__letter {
  text-align: center;
  font-family: "Dancing Script", cursive;
  font-weight: bold;
  font-size: 2.4rem;
}
.title__letter .fa-solid {
  margin-left: 5px;
  font-size: 1.3rem;
}
.letter__border .letter .content__letter {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  padding-top: 1.5rem;
  padding-bottom: 70px;
}
.letter__border .letter .content__letter .left {
  position: relative;
  width: 50%;
  height: 100%;
  padding: 1.7rem;
  border-right: 3px solid var(--color-border);
}
.content__letter .left #heart__letter {
  opacity: 0;
  width: 100%;
}
#heart__letter.animationOp {
  animation: opacityHeart 1s 1s forwards;
}
@keyframes opacityHeart {
  to {
    opacity: 1;
  }
}
.content__letter .left .heart {
  position: absolute;
  opacity: 0;
}
.content__letter .left .heart.animation {
  animation: scaleHeartLetter 1s var(--t) infinite ease-in-out;
}
@keyframes scaleHeartLetter {
  0% {
    opacity: 1;
    transform: scale(0);
  }
  10% {
    opacity: 1;
    transform: scale(1.3);
  }
  20% {
    opacity: 1;
    transform: scale(0.7);
  }
  30%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
}
.content__letter .left .heart_1 {
  top: 90px;
  left: 30px;
}
.content__letter .left .heart_2 {
  top: 20px;
  right: 70px;
}
.content__letter .left .heart_3 {
  bottom: 50px;
  left: 145px;
}
.content__letter .left .heart_4 {
  top: 140px;
  right: 35px;
}
.content__letter .right {
  position: relative;
  width: 50%;
}
.content__letter .right .love__img {
  opacity: 0;
  position: absolute;
  right: 20px;
  top: -100px;
}
.love__img.animationOp {
  animation: opacityHeart 1s 1s forwards;
}
.content__letter .right .text__letter {
  margin-top: 60px;
  padding: 20px 15px 10px 15px;
  font-family: "Dancing Script", cursive;
  font-size: 1.3rem;
}
.content__letter .right #mewmew {
  position: absolute;
  bottom: 0;
  right: 0;
  opacity: 0;
}
#mewmew.animationOp {
  animation: opacityHeart 1s 1s forwards;
}

#copy {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1rem;
}

#copy a {
  text-decoration: none;
  color: #191919d7;
}

#copy p {
  color: #4275ff;
  text-align: center;
  font-weight: 700;
  cursor: pointer;
}

@media screen and (max-width: 658px) {
  .flag__birthday .flag__left {
    transform: rotate(-10deg) translate(-119px, 3px);
  }

  .flag__birthday .flag__right {
    transform: rotate(10deg) translate(-106px, 39px) scaleX(-1);
  }

  .content {
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 25px;
    align-items: center;
    padding-top: 2rem;
  }

  .title {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    font-family: "Titan One", sans-serif;
    font-size: 1.5rem;
    letter-spacing: 8px;
    flex-direction: column;
    perspective: 1000px;
  }

  #btn__letter {
    position: relative;
    margin-top: 17px;
    width: 209px;
    background-color: var(--color-text-pink);
    outline: none;
    padding: 6px 4px;
    font-size: 1rem;
    border-radius: 50px;
    border: 3px solid var(--color-black);
    font-family: "Sriracha", cursive;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    /* transform: scale(1); */
    transition: all 0.5s ease-in-out;
  }

  .cricle {
    position: absolute;
    top: 10px;
    right: -54px;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: scale(0);
    animation: scaleCricle 3s 15s forwards ease-in-out;
  }

  .title .hat {
    position: absolute;
    right: -98px;
    top: -51px !important;
    transform: rotate(-40deg);
    z-index: -1;
    animation: topHat 4s 7s forwards ease;
  }

  .box__letter .letter__border {
    position: absolute;
    width: 90vw;
    height: 315px;
    background-color: var(--color-white);
    border-radius: 27px;
    padding: 17px;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
  }

  .letter__border .letter {
    width: 100%;
    height: 100%;
    background-color: var(--color-bg-letter);
    border-radius: 10px;
    padding-top: 15px;
  }

  .letter__border .letter .title__letter {
    text-align: center;
    font-family: "Dancing Script", cursive;
    font-weight: bold;
    font-size: 1.4rem;
  }

  .letter__border .letter .content__letter {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    padding-top: 0.7rem;
    padding-bottom: 70px;
  }

  .content__letter .right .text__letter {
    margin-top: -14px;
    padding: 20px 15px 10px 15px;
    font-family: "Dancing Script", cursive;
    font-size: 0.8rem;
  }

  .content__letter .right .love__img {
    opacity: 0;
    position: absolute;
    right: 126px;
    top: 167px;
  }

  .love__img img {
    width: 84px;
  }

  .content .right .image {
    position: relative;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    border: 6px solid var(--color-black);
  }

  .name {
    position: absolute;
    padding: 0px 3px;
    bottom: -6px;
    border: 3px solid var(--color-black);
  }

  .name span {
    font-size: 1rem;
  }

  .right .balloon_one {
    position: absolute;
    top: 10px;
    left: -77px;
    animation: balloon1 2s infinite linear;
  }

  .right .balloon_one img {
    width: 76px !important;
  }
}

.boxMail {
  position: fixed;
  background: rgb(0, 0, 0, 0.8);
  width: 100%;
  height: 100%;
  opacity: 0;
  top: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  transform: scale(0.3);
  visibility: hidden;
  transition: all 0.5s;
  z-index: 100000000;
}
.boxMail.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}
.boxMail .boxMail-container {
  position: relative;
  width: 420px;
  height: 380px;
  margin: 0 auto;
  transform: scale(1);
  -webkit-perspective: 2000px;
  perspective: 2000px;
  transition: all 0.5s;
}

.text-page {
  display: none;
  opacity: 0;
}

.text-page.active {
  display: block;
  opacity: 1;
}

.nav-buttons {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: flex;
  gap: 8px;
  z-index: 5;
}

.nav-btn {
  background-color: #003049;
  color: #eae2b7;
  border: none;
  padding: 5px 10px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 10px;
  font-weight: 600;
  transition: all 0.3s ease;
  font-family: 'Times New Roman', serif;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  outline: none;
  user-select: none;
  -webkit-user-select: none;
}

.nav-btn:focus {
  outline: none;
  box-shadow: none;
}

.nav-btn:active {
  background-color: #d62828;
}

.nav-btn:hover {
  background-color: #d62828;
  transform: scale(1.05);
}

.nav-btn:disabled {
  background-color: #ccc;
  cursor: not-allowed;
  opacity: 0.5;
}

.page-indicator {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  color: #003049;
  font-weight: 600;
}
.boxMail .boxMail-container .card1,
.boxMail .boxMail-container .card2 {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid black;
}
.boxMail .boxMail-container .card1 {
  position: absolute;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, #ff7882, #ff7882 63%);
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.boxMail-container .card1 {
  z-index: 1;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  transform-origin: left;
  transition: all 1s ease-in-out;
}
.boxMail .boxMail-container .card1 .userImg {
  position: relative;
  width: 80px;
  height: 80px;
  background-color: white;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid white;
  cursor: pointer;
  margin-bottom: 20px;
}
.boxMail .boxMail-container .card1 .userImg img {
  position: absolute;
  object-fit: cover;
  width: calc(100%);
  height: calc(100%);
}
.boxMail .boxMail-container .card1 h3 {
  font-family: "Dancing Script", cursive;
  font-size: 40px;
  text-transform: uppercase;
  width: 80%;
  text-align: center;
  line-height: 1.5;
  letter-spacing: 5px;
  transform: rotate(-5deg);
  text-shadow: 0 0 5px white, 0 0 10px white;
}
.boxMail .boxMail-container .card2 {
  position: relative;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, #e0e0e0, #ffffff 30%);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  transform-origin: left;
  transition: all 1s;
}
.boxMail .boxMail-container .card2 .card2-content {
  width: 100%;
  height: 100%;
  position: relative;
  background-color: #ff7882;
  transition: all 1s;
  overflow: hidden;
  font-family: "Inter", serif;
  color: #fff;
}
.boxMail .boxMail-container:hover .card2-content {
  transform: translate(20px, 20px);
  box-shadow: -1px -1px 5px rgb(0, 0, 0, 0.4);
}
.boxMail .boxMail-container .card2 h3 {
  font-family: "Dancing Script", cursive;
  padding: 20px 0px 10px 60px;
  opacity: 0;
  visibility: hidden;
  font-size: 25px;
  text-shadow: 0 0 8px #ff7882;
}
.boxMail .boxMail-container .card2:hover h3 {
  animation: texth3 3s forwards;
  animation-delay: 2s;
  transition: 1s;
}
@keyframes texth3 {
  0% {
    opacity: 1;
    visibility: visible;
    padding: 20px 0px 10px 60px;
  }
  100% {
    opacity: 1;
    visibility: visible;
    padding: 20px 0px 10px 152px;
  }
}
.boxMail .boxMail-container .card2 h2 {
  font-family: "Dancing Script", cursive;
  padding: 0px 20px;
  text-indent: 20px;
  font-size: 22px;
  opacity: 0;
}
.boxMail .boxMail-container .card2:hover h2 {
  animation: texth2 2s forwards;
  animation-delay: 4s;
  transition: 1s;
}
@keyframes texth2 {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.boxMail .boxMail-container .card2 .card2-content .imageCute2 {
  position: absolute;
  top: 5px;
  left: 20px;
  opacity: 0;
  transition: 1s;
}
.boxMail .boxMail-container .card2 .card2-content:hover .imageCute2 {
  animation: cute3 1s linear infinite, cute4 3s 2s forwards;
  animation-delay: 2s;
  transition: 1s;
}
@keyframes cute3 {
  0% {
    opacity: 1;
    transform: rotate(0deg);
  }
  25% {
    opacity: 1;
    transform: rotate(5deg);
  }
  50% {
    opacity: 1;
    transform: rotate(0deg);
  }
  75% {
    opacity: 1;
    transform: rotate(-5deg);
  }
  100% {
    opacity: 1;
    transform: rotate(0deg);
  }
}
@keyframes cute4 {
  0% {
    left: 20px;
  }
  100% {
    left: 100px;
  }
}
.boxMail .boxMail-container .card2 .card2-content .imageCute2 img {
  width: 40px;
}
.boxMail .fa-xmark {
  position: fixed;
  top: 0;
  right: 0;
  font-size: 30px;
  padding: 10px 25px;
  cursor: pointer;
  color: white;
  z-index: 10000000000000000;
}
.boxMail-container {
  position: relative;
}

.valentines {
  position: relative;
  top: 150px;
  left: 12px;
  cursor: pointer;
  animation: up 3s ease-in-out infinite;
}

/* Style the envelope and the card */
.envelope {
  position: relative;
  left: 18px;
  width: 360px;
  height: 240px;
  background-color: #f08080;
  transition: filter 0.8s ease;
}

.envelope.envelope-open {
  filter: drop-shadow(0 0 20px rgba(255, 120, 130, 0.7));
}

.envelope:before {
  background-color: #f08080;
  content: "";
  position: absolute;
  width: 254px;
  height: 254px;
  transform: rotate(45deg);
  top: -127px;
  left: 53px;
  border-radius: 18px 0 0 0;
}

.card {
  position: absolute;
  background-color: #eae2b7;
  width: 324px;
  height: 204px;
  top: 6px;
  left: 36px;
  box-shadow: -3px -3px 60px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transition: box-shadow 0.8s ease, filter 0.8s ease;
}

.card.card-open {
  box-shadow: 0 0 30px rgba(255, 120, 130, 0.8), 0 0 60px rgba(255, 120, 130, 0.5), -3px -3px 60px rgba(0, 0, 0, 0.4);
  filter: drop-shadow(0 0 15px rgba(255, 120, 130, 0.6));
}

.card:before {
  content: "";
  position: absolute;
  border: 2px solid #003049;
  border-style: dotted;
  width: 291px;
  height: 171px;
  left: 15px;
  top: 15px;
}

.cover {
  position: absolute;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  top: 25px;
  left: 0;
  right: 0;
}

.letter {
  opacity: 0;
}

.to {
  position: relative;
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  top: 30px;
  left: 30px;
  max-width: 264px;
}

.text {
  position: relative;
  font-size: 12px;
  line-height: 1.5;
  text-align: justify;
  top: 48px;
  left: 30px;
  max-width: 264px;
  transition: opacity 0.5s ease;
}

.from {
  position: absolute;
  font-size: 13px;
  font-weight: 600;
  font-style: italic;
  text-align: left;
  left: 30px;
  bottom: 30px;
  max-width: 264px;
}

.heart {
  background-color: #d62828;
  display: inline-block;
  height: 19px;
  margin: 0 6px;
  position: absolute;
  top: 30px;
  left: 270px;
  transform: rotate(-45deg);
  width: 19px;
}

.heart:before,
.heart:after {
  content: "";
  background-color: #d62828;
  border-radius: 50%;
  height: 19px;
  position: absolute;
  width: 19px;
}

.heart:before {
  top: -10px;
  left: 0;
}

.heart:after {
  left: 10px;
  top: 0;
}
.front {
  position: absolute;
  border-right: 216px solid #f4978e;
  border-top: 114px solid transparent;
  border-bottom: 120px solid transparent;
  left: 162px;
  top: 6px;
  width: 0;
  height: 0;
  z-index: 10;
}

.front:before {
  position: absolute;
  content: "";
  border-left: 360px solid #f8ad9d;
  border-top: 234px solid transparent;
  left: -144px;
  top: -114px;
  width: 0;
  height: 0;
}

/* Add the shadow */
.shadow {
  position: relative;
  width: 396px;
  height: 30px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.3);
  top: 60px;
  animation: scale 3s linear infinite;
  z-index: -1;
  filter: blur(7px);
}

.save {
  position: relative;
  top: 250px;
  text-align: center;
}
.save a {
  font-size: 30px;
  text-decoration: none;
  color: #f8ad9d;
}

/* To move the envelope up and down */
@keyframes up {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-18px);
  }
}

/* to scale the shadow */
@keyframes scale {
  0%,
  100% {
    transform: scaleX(1);
  }
  50% {
    transform: scaleX(0.85);
  }
}